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soils

Biocrust in Australia’s Diamantina National Park
Posted inResearch Spotlights

Biological Crusts Affected by Drought Can Still Stabilize Soils

by Terri Cook 17 March 202225 May 2022

Results of in situ experiments on natural microbial communities suggest that biological crusts can protect soils from erosion, but their protective role could be compromised under predicted future climate scenarios.

La pirámide del Sol en Teotihuacan al frente con un cerro y el cielo despejado detrás.
Posted inNews

Mapeando el pasado, presente y futuro de Teotihuacan

by Humberto Basilio 14 March 202227 March 2023

Un nuevo proyecto con tecnología lidar revela cómo la minería y la expansión urbana han puesto en riesgo a uno de los sitios del patrimonio cultural más icónicos de México.

Forest edge
Posted inNews

Forest Edges Are More, Not Less, Productive Than Interior Forest

by Jenessa Duncombe 3 March 20223 March 2022

The boundaries of northeastern U.S. forests suck in more carbon dioxide than previously thought.

Two charts comparing saturated hydraulic conductivity as function of clay content for temperate and tropical environments.
Posted inEditors' Highlights

Not All Clays are Made Equal – and it Matters for Hydrology

by Valeriy Ivanov 10 February 20228 August 2022

Soil clay content is an important characteristic that affects many hydraulic and mechanical properties of soil; clay mineral type is important for their prediction.

A dust storm that hit Phoenix in 2011
Posted inResearch Spotlights

Rethinking How Valley Fever Spreads

by Saima May Sidik 20 January 20222 February 2022

Scientists have long assumed that dust storms lead to infections with the desert soil fungus Coccidioides, but new evidence suggests otherwise.

A shovel buried in the dirt, with plants in the background
Posted inNews

Soil Texture Affects How Carbon Is Stored Underground

by Katherine Kornei 18 January 20221 April 2022

Using measurements from more than 9,300 soil samples collected worldwide, researchers have shown that carbon storage in soils is affected by both air temperature and soil texture.

An elephant eats grasses in Kruger National Park, South Africa.
Posted inNews

Large Herbivores May Improve an Ecosystem’s Carbon Persistence

by Rishika Pardikar 14 January 202227 March 2023

The grazing habits of wild animals like elephants and boars enable long-term carbon storage, according to new research that stresses the need to align climate mitigation goals with biodiversity conservation.

Biocrust composed of mosses, lichens, and cyanobacteria
Posted inNews

Biocrust “Probiotics” Can Aid Dryland Restoration Efforts

by Derek Smith 10 January 202225 May 2022

Bacteria can speed up the growth of biocrust-forming organisms in nurseries, providing more material for restoration of degraded dryland soil.

The Pyramid of the Sun at Teotihuacan
Posted inNews

Mapping Teotihuacan’s Past, Present, and Future

by Humberto Basilio 6 January 202227 March 2023

A new lidar project reveals how mining and urban expansion have put one of Mexico’s most iconic cultural heritage sites at risk.

Crop residue mulch from a terminated winter rye cover crop is visible between rows of newly planted corn plants.
Posted inResearch Spotlights

Modeling Mulch to Understand Agricultural Soil

by Morgan Rehnberg 22 December 202122 December 2021

A new model helps shed light on residue mulch, an important regulator of surface soil conditions.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

EDITORS' HIGHLIGHTS
AGU Advances
“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

EDITORS' VOX
Reviews of Geophysics
“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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